{{#modal-dialog
    overlayClass="avatars-detail-modal-overlay"
    containerClassNames=containerClassNames
    onClose=onClose
}}
  <header class="avatars-detail-modal__header">
    <h2>
      {{header}}
    </h2>
    <button class="avatars-detail-modal__close" onclick={{action onClose}}>&times;</button>
  </header>

  <section class="avatars-detail-modal__content">
    {{yield}}
  </section>
{{/modal-dialog}}